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<a class="jxr_linenumber" name="L1" href="#L1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a>   <em class="jxr_comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.fileupload.util;
<a class="jxr_linenumber" name="L18" href="#L18">18</a>  
<a class="jxr_linenumber" name="L19" href="#L19">19</a>  <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream;
<a class="jxr_linenumber" name="L20" href="#L20">20</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong> java.io.InputStream;
<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong> java.io.OutputStream;
<a class="jxr_linenumber" name="L23" href="#L23">23</a>  
<a class="jxr_linenumber" name="L24" href="#L24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.fileupload.InvalidFileNameException;
<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.io.IOUtils;
<a class="jxr_linenumber" name="L26" href="#L26">26</a>  
<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <em class="jxr_javadoccomment"> * Utility class for working with streams.</em>
<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/fileupload/util/Streams.html">Streams</a> {
<a class="jxr_linenumber" name="L31" href="#L31">31</a>  
<a class="jxr_linenumber" name="L32" href="#L32">32</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment">     * Private constructor, to prevent instantiation.</em>
<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <em class="jxr_javadoccomment">     * This class has only static methods.</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/commons/fileupload/util/Streams.html">Streams</a>() {
<a class="jxr_linenumber" name="L37" href="#L37">37</a>          <em class="jxr_comment">// Does nothing</em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a>      }
<a class="jxr_linenumber" name="L39" href="#L39">39</a>  
<a class="jxr_linenumber" name="L40" href="#L40">40</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">     * Default buffer size for use in</em>
<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment">     * {@link #copy(InputStream, OutputStream, boolean)}.</em>
<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L44" href="#L44">44</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_BUFFER_SIZE = 8192;
<a class="jxr_linenumber" name="L45" href="#L45">45</a>  
<a class="jxr_linenumber" name="L46" href="#L46">46</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L47" href="#L47">47</a>  <em class="jxr_javadoccomment">     * Copies the contents of the given {@link InputStream}</em>
<a class="jxr_linenumber" name="L48" href="#L48">48</a>  <em class="jxr_javadoccomment">     * to the given {@link OutputStream}. Shortcut for</em>
<a class="jxr_linenumber" name="L49" href="#L49">49</a>  <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment">     *   copy(pInputStream, pOutputStream, new byte[8192]);</em>
<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="L53" href="#L53">53</a>  <em class="jxr_javadoccomment">     * @param inputStream The input stream, which is being read.</em>
<a class="jxr_linenumber" name="L54" href="#L54">54</a>  <em class="jxr_javadoccomment">     * It is guaranteed, that {@link InputStream#close()} is called</em>
<a class="jxr_linenumber" name="L55" href="#L55">55</a>  <em class="jxr_javadoccomment">     * on the stream.</em>
<a class="jxr_linenumber" name="L56" href="#L56">56</a>  <em class="jxr_javadoccomment">     * @param outputStream The output stream, to which data should</em>
<a class="jxr_linenumber" name="L57" href="#L57">57</a>  <em class="jxr_javadoccomment">     * be written. May be null, in which case the input streams</em>
<a class="jxr_linenumber" name="L58" href="#L58">58</a>  <em class="jxr_javadoccomment">     * contents are simply discarded.</em>
<a class="jxr_linenumber" name="L59" href="#L59">59</a>  <em class="jxr_javadoccomment">     * @param closeOutputStream True guarantees, that {@link OutputStream#close()}</em>
<a class="jxr_linenumber" name="L60" href="#L60">60</a>  <em class="jxr_javadoccomment">     * is called on the stream. False indicates, that only</em>
<a class="jxr_linenumber" name="L61" href="#L61">61</a>  <em class="jxr_javadoccomment">     * {@link OutputStream#flush()} should be called finally.</em>
<a class="jxr_linenumber" name="L62" href="#L62">62</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="L63" href="#L63">63</a>  <em class="jxr_javadoccomment">     * @return Number of bytes, which have been copied.</em>
<a class="jxr_linenumber" name="L64" href="#L64">64</a>  <em class="jxr_javadoccomment">     * @throws IOException An I/O error occurred.</em>
<a class="jxr_linenumber" name="L65" href="#L65">65</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L66" href="#L66">66</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> copy(InputStream inputStream, OutputStream outputStream, <strong class="jxr_keyword">boolean</strong> closeOutputStream)
<a class="jxr_linenumber" name="L67" href="#L67">67</a>              <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L68" href="#L68">68</a>          <strong class="jxr_keyword">return</strong> copy(inputStream, outputStream, closeOutputStream, <strong class="jxr_keyword">new</strong> byte[DEFAULT_BUFFER_SIZE]);
<a class="jxr_linenumber" name="L69" href="#L69">69</a>      }
<a class="jxr_linenumber" name="L70" href="#L70">70</a>  
<a class="jxr_linenumber" name="L71" href="#L71">71</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L72" href="#L72">72</a>  <em class="jxr_javadoccomment">     * Copies the contents of the given {@link InputStream}</em>
<a class="jxr_linenumber" name="L73" href="#L73">73</a>  <em class="jxr_javadoccomment">     * to the given {@link OutputStream}.</em>
<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">     * @param inputStream The input stream, which is being read.</em>
<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">     *   It is guaranteed, that {@link InputStream#close()} is called</em>
<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">     *   on the stream.</em>
<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">     * @param outputStream The output stream, to which data should</em>
<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">     *   be written. May be null, in which case the input streams</em>
<a class="jxr_linenumber" name="L80" href="#L80">80</a>  <em class="jxr_javadoccomment">     *   contents are simply discarded.</em>
<a class="jxr_linenumber" name="L81" href="#L81">81</a>  <em class="jxr_javadoccomment">     * @param closeOutputStream True guarantees, that {@link OutputStream#close()}</em>
<a class="jxr_linenumber" name="L82" href="#L82">82</a>  <em class="jxr_javadoccomment">     *   is called on the stream. False indicates, that only</em>
<a class="jxr_linenumber" name="L83" href="#L83">83</a>  <em class="jxr_javadoccomment">     *   {@link OutputStream#flush()} should be called finally.</em>
<a class="jxr_linenumber" name="L84" href="#L84">84</a>  <em class="jxr_javadoccomment">     * @param buffer Temporary buffer, which is to be used for</em>
<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">     *   copying data.</em>
<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">     * @return Number of bytes, which have been copied.</em>
<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">     * @throws IOException An I/O error occurred.</em>
<a class="jxr_linenumber" name="L88" href="#L88">88</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L89" href="#L89">89</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> copy(InputStream inputStream,
<a class="jxr_linenumber" name="L90" href="#L90">90</a>              OutputStream outputStream, <strong class="jxr_keyword">boolean</strong> closeOutputStream,
<a class="jxr_linenumber" name="L91" href="#L91">91</a>              byte[] buffer)
<a class="jxr_linenumber" name="L92" href="#L92">92</a>      <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L93" href="#L93">93</a>          OutputStream out = outputStream;
<a class="jxr_linenumber" name="L94" href="#L94">94</a>          InputStream in = inputStream;
<a class="jxr_linenumber" name="L95" href="#L95">95</a>          <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L96" href="#L96">96</a>              <strong class="jxr_keyword">long</strong> total = 0;
<a class="jxr_linenumber" name="L97" href="#L97">97</a>              <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="L98" href="#L98">98</a>                  <strong class="jxr_keyword">int</strong> res = in.read(buffer);
<a class="jxr_linenumber" name="L99" href="#L99">99</a>                  <strong class="jxr_keyword">if</strong> (res == -1) {
<a class="jxr_linenumber" name="L100" href="#L100">100</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="L101" href="#L101">101</a>                 }
<a class="jxr_linenumber" name="L102" href="#L102">102</a>                 <strong class="jxr_keyword">if</strong> (res &gt; 0) {
<a class="jxr_linenumber" name="L103" href="#L103">103</a>                     total += res;
<a class="jxr_linenumber" name="L104" href="#L104">104</a>                     <strong class="jxr_keyword">if</strong> (out != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="L105" href="#L105">105</a>                         out.write(buffer, 0, res);
<a class="jxr_linenumber" name="L106" href="#L106">106</a>                     }
<a class="jxr_linenumber" name="L107" href="#L107">107</a>                 }
<a class="jxr_linenumber" name="L108" href="#L108">108</a>             }
<a class="jxr_linenumber" name="L109" href="#L109">109</a>             <strong class="jxr_keyword">if</strong> (out != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="L110" href="#L110">110</a>                 <strong class="jxr_keyword">if</strong> (closeOutputStream) {
<a class="jxr_linenumber" name="L111" href="#L111">111</a>                     out.close();
<a class="jxr_linenumber" name="L112" href="#L112">112</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="L113" href="#L113">113</a>                     out.flush();
<a class="jxr_linenumber" name="L114" href="#L114">114</a>                 }
<a class="jxr_linenumber" name="L115" href="#L115">115</a>                 out = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="L116" href="#L116">116</a>             }
<a class="jxr_linenumber" name="L117" href="#L117">117</a>             in.close();
<a class="jxr_linenumber" name="L118" href="#L118">118</a>             in = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="L119" href="#L119">119</a>             <strong class="jxr_keyword">return</strong> total;
<a class="jxr_linenumber" name="L120" href="#L120">120</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="L121" href="#L121">121</a>             IOUtils.closeQuietly(in);
<a class="jxr_linenumber" name="L122" href="#L122">122</a>             <strong class="jxr_keyword">if</strong> (closeOutputStream) {
<a class="jxr_linenumber" name="L123" href="#L123">123</a>                 IOUtils.closeQuietly(out);
<a class="jxr_linenumber" name="L124" href="#L124">124</a>             }
<a class="jxr_linenumber" name="L125" href="#L125">125</a>         }
<a class="jxr_linenumber" name="L126" href="#L126">126</a>     }
<a class="jxr_linenumber" name="L127" href="#L127">127</a> 
<a class="jxr_linenumber" name="L128" href="#L128">128</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment">     * This convenience method allows to read a</em>
<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment">     * {@link org.apache.commons.fileupload.FileItemStream}'s</em>
<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment">     * content into a string. The platform's default character encoding</em>
<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment">     * is used for converting bytes into characters.</em>
<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment">     * @param inputStream The input stream to read.</em>
<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment">     * @see #asString(InputStream, String)</em>
<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment">     * @return The streams contents, as a string.</em>
<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment">     * @throws IOException An I/O error occurred.</em>
<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L139" href="#L139">139</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String asString(InputStream inputStream) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L140" href="#L140">140</a>         ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
<a class="jxr_linenumber" name="L141" href="#L141">141</a>         copy(inputStream, baos, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="L142" href="#L142">142</a>         <strong class="jxr_keyword">return</strong> baos.toString();
<a class="jxr_linenumber" name="L143" href="#L143">143</a>     }
<a class="jxr_linenumber" name="L144" href="#L144">144</a> 
<a class="jxr_linenumber" name="L145" href="#L145">145</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment">     * This convenience method allows to read a</em>
<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment">     * {@link org.apache.commons.fileupload.FileItemStream}'s</em>
<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment">     * content into a string, using the given character encoding.</em>
<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment">     * @param inputStream The input stream to read.</em>
<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment">     * @param encoding The character encoding, typically "UTF-8".</em>
<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment">     * @see #asString(InputStream)</em>
<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment">     * @return The streams contents, as a string.</em>
<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment">     * @throws IOException An I/O error occurred.</em>
<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L156" href="#L156">156</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String asString(InputStream inputStream, String encoding) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L157" href="#L157">157</a>         ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
<a class="jxr_linenumber" name="L158" href="#L158">158</a>         copy(inputStream, baos, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="L159" href="#L159">159</a>         <strong class="jxr_keyword">return</strong> baos.toString(encoding);
<a class="jxr_linenumber" name="L160" href="#L160">160</a>     }
<a class="jxr_linenumber" name="L161" href="#L161">161</a> 
<a class="jxr_linenumber" name="L162" href="#L162">162</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment">     * Checks, whether the given file name is valid in the sense,</em>
<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment">     * that it doesn't contain any NUL characters. If the file name</em>
<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment">     * is valid, it will be returned without any modifications. Otherwise,</em>
<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment">     * an {@link InvalidFileNameException} is raised.</em>
<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment">     * @param fileName The file name to check</em>
<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment">     * @return Unmodified file name, if valid.</em>
<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment">     * @throws InvalidFileNameException The file name was found to be invalid.</em>
<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L172" href="#L172">172</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String checkFileName(String fileName) {
<a class="jxr_linenumber" name="L173" href="#L173">173</a>         <strong class="jxr_keyword">if</strong> (fileName != <strong class="jxr_keyword">null</strong>  &amp;&amp;  fileName.indexOf('\u0000') != -1) {
<a class="jxr_linenumber" name="L174" href="#L174">174</a>             <em class="jxr_comment">// pFileName.replace("\u0000", "&#92;&#92;0")</em>
<a class="jxr_linenumber" name="L175" href="#L175">175</a>             <strong class="jxr_keyword">final</strong> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="L176" href="#L176">176</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0;  i &lt; fileName.length();  i++) {
<a class="jxr_linenumber" name="L177" href="#L177">177</a>                 <strong class="jxr_keyword">char</strong> c = fileName.charAt(i);
<a class="jxr_linenumber" name="L178" href="#L178">178</a>                 <strong class="jxr_keyword">switch</strong> (c) {
<a class="jxr_linenumber" name="L179" href="#L179">179</a>                     <strong class="jxr_keyword">case</strong> 0:
<a class="jxr_linenumber" name="L180" href="#L180">180</a>                         sb.append(<span class="jxr_string">"&#92;&#92;0"</span>);
<a class="jxr_linenumber" name="L181" href="#L181">181</a>                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="L182" href="#L182">182</a>                     <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="L183" href="#L183">183</a>                         sb.append(c);
<a class="jxr_linenumber" name="L184" href="#L184">184</a>                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="L185" href="#L185">185</a>                 }
<a class="jxr_linenumber" name="L186" href="#L186">186</a>             }
<a class="jxr_linenumber" name="L187" href="#L187">187</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/fileupload/InvalidFileNameException.html">InvalidFileNameException</a>(fileName,
<a class="jxr_linenumber" name="L188" href="#L188">188</a>                     <span class="jxr_string">"Invalid file name: "</span> + sb);
<a class="jxr_linenumber" name="L189" href="#L189">189</a>         }
<a class="jxr_linenumber" name="L190" href="#L190">190</a>         <strong class="jxr_keyword">return</strong> fileName;
<a class="jxr_linenumber" name="L191" href="#L191">191</a>     }
<a class="jxr_linenumber" name="L192" href="#L192">192</a> 
<a class="jxr_linenumber" name="L193" href="#L193">193</a> }
</pre>
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